Thirdly there was the Salmon protocol, although with the Plussing of Google Buzz it never got traction: https://en.wikipedia.org/wiki/Salmon_(protocol) https:/

Thirdly there was the Salmon protocol, although with the Plussing of Google Buzz it never got traction: https://en.wikipedia.org/wiki/Salmon_(protocol) https://en.wikipedia.org/wiki/Salmon_(protocol)